There's public code to parse and extract attachments from tnef. Or just the file names themselves.
Ie https://pypi.org/project/tnefparse/ Brandon On Thu, Nov 14, 2019, 4:41 AM Stefan Bauer via mailop <[email protected]> wrote: > Hi, > > > we run some antispam-mailservers with ~ 10.000 mails / day for our > customers. > > > Due to emotet and stuff, we started blocking some file extensions with > great success. Sometimes "bad" attachment slip through as they are encoded > by TNEF. > > Our spamfilter is not able to de-code it. Not even some of our Mailcliens > can read the attachments at the end. > > > How do you treat "TNEF-mails" in your environment? > > > blocking doesnt sound right but sometimes i feel lilke i should just to > show that proprietary stuff is bad. > > > Thank you. > > > Stefan. > _______________________________________________ > mailop mailing list > [email protected] > https://chilli.nosignal.org/cgi-bin/mailman/listinfo/mailop >
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